42003336551 has 16 divisors (see below), whose sum is σ = 48527551008. Its totient is φ = 35931033600.

The previous prime is 42003336541. The next prime is 42003336553. The reversal of 42003336551 is 15563330024.

42003336551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42003336551 - 2³⁴ = 24823467367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003336553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966281 + ... + 1008813.

It is an arithmetic number, because the mean of its divisors is an integer number (3032971938).

Almost surely, 2^42003336551 is an apocalyptic number.

42003336551 is a deficient number, since it is larger than the sum of its proper divisors (6524214457).

42003336551 is a wasteful number, since it uses less digits than its factorization.

42003336551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47842.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 42003336551 its reverse (15563330024), we get a palindrome (57566666575).

The spelling of 42003336551 in words is "forty-two billion, three million, three hundred thirty-six thousand, five hundred fifty-one".